update

whycxzp

2021-01-11 15152da2f87438747c519adcb6237093b34ae2b4

 src/main/java/com/whyc/filter/LoginFilter.java

@@ -1,58 +1,58 @@
package com.whyc.filter;

import com.whyc.pojo.User;
import lombok.extern.slf4j.Slf4j;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;

@Slf4j
/*@WebFilter(filterName = "loginFilter",urlPatterns = "/*",initParams = {
      @WebInitParam(name = "exclusions",value = "*.css,*.js")
})*/
//@WebInitParam(name = "exclusions",value = "*.css,*.js")
public class LoginFilter implements Filter {

   private String exclusions = "";

   public void destroy() {
   }

   public void doFilter(ServletRequest req, ServletResponse resp,
         FilterChain chain) throws IOException, ServletException {
      HttpServletRequest request=(HttpServletRequest)req;

      String URL=request.getRequestURI();
      String[] uri=request.getRequestURI().split("/");
      String source="";
      if(uri.length>0) {
         source = uri[uri.length - 1];
      }
      String suffix = source.substring(source.indexOf(".")+1);
      User user=(User)request.getSession().getAttribute("user");

      //不拦截swagger的资源请求,以及登录请求
      if(URL.indexOf("swagger-resources")>-1 ||URL.indexOf("swagger-ui")>-1 ||URL.indexOf("v2/api-docs")>-1||URL.indexOf("login")>-1){
         chain.doFilter(req,resp);
      }
      //不拦截静态资源css/js
      else if(exclusions.indexOf(suffix)>-1){
         chain.doFilter(req,resp);
      }
      else if(user!=null){
         chain.doFilter(req, resp);
      }else{
         PrintWriter out=resp.getWriter();
         out.print("<script charset='UTF-8'>window.location.href='index.html'</script>");
      }
   }

   public void init(FilterConfig config) throws ServletException {
      exclusions =config.getInitParameter("exclusions");
   }

}
//package com.whyc.filter;
//
//import com.whyc.pojo.User;
//import lombok.extern.slf4j.Slf4j;
//
//import javax.servlet.*;
//import javax.servlet.annotation.WebFilter;
//import javax.servlet.annotation.WebInitParam;
//import javax.servlet.http.HttpServletRequest;
//import java.io.IOException;
//import java.io.PrintWriter;
//
//@Slf4j
///*@WebFilter(filterName = "loginFilter",urlPatterns = "/*",initParams = {
//      @WebInitParam(name = "exclusions",value = "*.css,*.js")
//})*/
////@WebInitParam(name = "exclusions",value = "*.css,*.js")
//public class LoginFilter implements Filter {
//
//   private String exclusions = "";
//
//   public void destroy() {
//   }
//
//   public void doFilter(ServletRequest req, ServletResponse resp,
//         FilterChain chain) throws IOException, ServletException {
//      HttpServletRequest request=(HttpServletRequest)req;
//
//      String URL=request.getRequestURI();
//      String[] uri=request.getRequestURI().split("/");
//      String source="";
//      if(uri.length>0) {
//         source = uri[uri.length - 1];
//      }
//      String suffix = source.substring(source.indexOf(".")+1);
//      User user=(User)request.getSession().getAttribute("user");
//
//      //不拦截swagger的资源请求,以及登录请求
//      if(URL.indexOf("swagger-resources")>-1 ||URL.indexOf("swagger-ui")>-1 ||URL.indexOf("v2/api-docs")>-1||URL.indexOf("login")>-1){
//         chain.doFilter(req,resp);
//      }
//      //不拦截静态资源css/js
//      else if(exclusions.indexOf(suffix)>-1){
//         chain.doFilter(req,resp);
//      }
//      else if(user!=null){
//         chain.doFilter(req, resp);
//      }else{
//         PrintWriter out=resp.getWriter();
//         out.print("<script charset='UTF-8'>window.location.href='index.html'</script>");
//      }
//   }
//
//   public void init(FilterConfig config) throws ServletException {
//      exclusions =config.getInitParameter("exclusions");
//   }
//
//}